7p1p

Crystal structure of human acetylcholinesterase in complex with (E)-3-hydroxy-6-(3-(4-(4-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)butyl)-1H-1,2,3-triazol-1-yl)propyl)picolinaldehyde oxime

Method: X-RAY DIFFRACTION Dmax: 130.5 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

Acetylcholinesterase

Homo sapiens

UniProt P22303

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 4 其他Polymer 3 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 293–574 Chain B; UniProt 293–574 Chain aa; UniProt 33–289 Chain bb; UniProt 33–289 Not recorded ;beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 4IX (2R,3R,4S,5S,6R)-2-[4-[1-[3-[6-[(Z)-hydroxyiminomethyl]-5-oxidanyl-pyridin-2-yl]propyl]-1,2,3-triazol-4-yl]butoxy]-6-(hydroxymethyl)oxane-3,4,5-triol × 1 SO4 SULFATE ION × 15 CL CHLORIDE ION × 22 MG MAGNESIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 M LiSO4, 100 mM HEPES, 60 mM MgSO4 Resolution 3.03 Å R-free 0.222

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

77 other PDB entries and 84 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACES_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain aa; PDBConstruct 1–257; UniProt 33–289 Author chain bb; PDBConstruct 1–257; UniProt 33–289 Author chain A; PDBConstruct 1–282; UniProt 293–574 Author chain B; PDBConstruct 1–282; UniProt 293–574

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 7p1p

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7p1p
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7p1p
Deposition date deposition_date2021-07-02
Structure title titleCrystal structure of human acetylcholinesterase in complex with (E)-3-hydroxy-6-(3-(4-(4-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)butyl)-1H-1,2,3-triazol-1-yl)propyl)picolinaldehyde oxime
Keywords keywordsAcetylcholinesterase, , antidote, oxime, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier37.87
Radius of gyration Rg (electron density) rg_electron37.88
Forward intensity I(0) i0232523000.00
Molecular weight molecular_weight122200.0 kDa
Excluded volume excluded_volume151860 ų
Envelope volume envelope_volume188460 ų
Hydration-shell volume shell_volume43018 ų
Envelope diameter envelope_diameter139.0
Shell Rg shell_rg42.15
Envelope Rg envelope_rg37.63
Shape Rg shape_rg37.86
Total Rg total_rg38.19
Total atoms total_atoms8583
Residues n_residues1069
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax130.5
Rg (real space) rg_real38.22
Rg uncertainty (real space) rg_real_error1.21
I(0) (real space) i0_real2.3250e+08
I(0) uncertainty (real space) i0_real_error4.2470e+06
Rg (reciprocal space) rg_reciprocal38.01
I(0) (reciprocal space) i0_reciprocal232500000.0000
Solution quality estimate total_estimate0.6022
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.2
Skewness Skewness skewness0.500
Kurtosis Kurtosis kurtosis-0.501
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha71400000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.621; Stabil: 1.000; Sysdev: 0.080; Positv: 1.000; Valcen: 0.848; Smooth: 0.872

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

8. Citations (1)

9. Files and Curves (10)